package pyip.lib.javalearn.classloader.load.rule;

class B {
    @SuppressWarnings("unused")
    private B instance;

    static {
        System.out.println("static B......");
    }

    public void print() {
        System.out.println("use B.......");
    }

    public void doNothing() {
    }

    public void setInstance(B b) {
        instance = b;
    }
}